Coin operated door lock for vending machine



FIG. 1 is a perspective view of a coin operated door lock for vending machine showing my new design, the broken lines indicating a vending machine are shown for illustrative purposes only;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a coin operated door lock for vending machine, substantially as shown and described. 